California earthquakes

M2.1 earthquake 21 km SE of Big Sur, California

A magnitude 2.1 earthquake struck 21 km SE of Big Sur, California on Fri, Jul 19, 2002, 10:57 PM PDT (05:57 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.1 13 km NE of Bradley, California. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.1 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2002-07-20 05:57:32 UTC
Depth
1.9 km (1.2 mi), shallow
Epicenter
36.124° N, 121.659° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.9 km horizontally, 2.9 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
188°, poorly surrounded by stations
Stations used
43

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 103 in the 60 days after this one and 66 in the 30 days before it.

After

The first 60 of 103.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc21236416. Read Mon, Oct 5, 2026, 7:45 AM UTC.